.topbar{
    height: 35px;
    border-bottom: 1px solid #eee;
    background-color: #fff;
}
.w{
    width: 1190px;
    margin: 0 auto;
}
.headbar{
    height: 35px;
    /* background-color: blue; */
}
.leftbar{
    float: left;
    width: 350px;
    height: 35px;
    background-color: orange;
}
.rightbar{
    float: right;
    width: 500px;
    height: 35px;
    background-color: green;
}
.main{
    height: 300px;
    background-color: #eee;
    margin-top: 10px;
}
.mainleft{
    float: left;
    width: 750px;
    height: 300px;
    background-color: orange;
}

.mainright{
    float: right;
    width: 430px;
    height: 300px;
    background-color: blue;
}

.fl1{
    float: left;
    width: 250px;
    height: 300px;
    background-color: red;
}

.fl2{
    float: left;
    width: 250px;
    height: 300px;
    background-color: green;
}

.fl3{
    float: left;
    width: 250px;
    height: 300px;
    background-color: pink;
}

